# CVE-2023-24520: Command injection in UR32L

> An attacker can execute arbitrary OS commands on Milesight UR32L routers via a specially crafted network request to the trace tool utility.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Jul 2023
- **Updated:** 4 Nov 2025
- **Also known as:** GHSA-cw67-28xm-vv9x

## What is CVE-2023-24520?

CVE-2023-24520 is a high-severity command injection vulnerability in Milesight Ur32l Firmware, published on 6 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Two OS command injection vulnerability exist in the vtysh_ubus toolsh_excute.constprop.1 functionality of Milesight UR32L v32.3.0.5. A specially-crafted network request can lead to command execution. An attacker can send a network request to trigger these vulnerabilities.This command injection is in the trace tool utility.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2023-24520?

It affects 1 product.


Products: Milesight Ur32l Firmware.

## How do I fix CVE-2023-24520?

No fix has been published for CVE-2023-24520 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-24520 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-24520 exists.

## Other vulnerabilities in Milesight Ur32l Firmware

- [CVE-2023-23902](https://insights.sbomify.com/CVE-2023-23902/): Memory corruption in UR32L (critical 9.8)
- [CVE-2023-47166](https://insights.sbomify.com/CVE-2023-47166/): Missing authorization in UR32L (high 8.8)
- [CVE-2023-22299](https://insights.sbomify.com/CVE-2023-22299/): Command injection in UR32L (high 8.8)
- [CVE-2023-22653](https://insights.sbomify.com/CVE-2023-22653/): Command injection in UR32L (high 8.8)
- [CVE-2023-24018](https://insights.sbomify.com/CVE-2023-24018/): Memory corruption in UR32L (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-24520 and fix it if it is affected.

What it is: CVE-2023-24520 is a high-severity command injection vulnerability in Milesight Ur32l Firmware, published on 6 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-24520 exists.

Affected product: Milesight Ur32l Firmware. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-24520/ (Markdown: https://insights.sbomify.com/CVE-2023-24520/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-24520
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-24520
- OSV: https://osv.dev/vulnerability/CVE-2023-24520

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-24520/
Summaries are generated and may contain mistakes; the official description above is the record.